Question

Write and solve the equation that has been modeled below.

Answer 1

`\begin{gathered} x+x+1+1+1+1+1+1+1=1+1+1+1+1+1+1+1+1 \\ 2x+7=9 \\ \text{Separate similar terms} \\ 2x=9-7 \\ 2x=2 \\ \text{Divide both sides by 2} \\ (2x)/(2)=(2)/(2) \\ \\ x=1 \end{gathered}`

The final answer

`x=1`